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With the rapid growth of automobile ownership, vehicle exhaust emissions have become one of the causes of environmental pollution. Countries have strengthened restrictions on sulfur content pollutants in automotive fuels. The current stringent limit standard for automotive gasoline and diesel is 10mg/kg. Monochromatic wavelength-dispersive X-ray fluorescence spectrometry is one of the methods that meet low-sulfur content detection in automotive fuels.
The DUBHE-1610 monochromatic wavelength-dispersive X-ray fluorescence spectrometer features high sensitivity, simple sample preparation, and low operational consumption, meeting the sulfur content analysis needs in the petrochemical industry from crude oil to refined products.
Meanwhile, the DUBHE-1610 can also analyze sulfur content in solids and liquids, achieving sub-ppm level detection limits for sulfur in water and other chemical products.
Automotive Gasoline/Automotive Diesel Product Standards
Sulfur Testing Method Standards Sulfur Content Limits China III
GB 17930-2011 Automotive Diesel
GB/T 380 Lamp Method
GB/T 11140 Wavelength-dispersive X-ray Fluorescence Spectrometry
SH/T Energy-dispersive X-ray Fluorescence Spectrometry
SH/T 0680 Ultraviolet Fluorescence Method
SH/T 0253 Coulometric Method150mg/kg China IV
GB 17930-2013 Automotive Gasoline
GB/T 11140 Wavelength-dispersive X-ray Fluorescence Spectrometry
SH/T 0680 Ultraviolet Fluorescence Method
SH/T 0253 Coulometric Method
ASTM D7039 Monochromatic Wavelength-dispersive X-ray Fluorescence Spectrometry50mg/kg China IV
GB 19147-2013 Automotive Diesel IV
GB/T 11140 Wavelength-dispersive X-ray Fluorescence Spectrometry
SH/T 0680 Ultraviolet Fluorescence Method
ASTM D7039 Monochromatic Wavelength-dispersive X-ray Fluorescence Spectrometry50mg/kg China V GB 17930-2013 Automotive Gasoline GB/T 11140 Wavelength-dispersive X-ray Fluorescence Spectrometry
SH/T 0680 Ultraviolet Fluorescence Method
ASTM D7039 Monochromatic Wavelength-dispersive X-ray Fluorescence Spectrometry
SH/T 0253 Coulometric Method10mg/kg
Evolution of China's Automotive Gasoline and Diesel Sulfur Testing Standards
- • High Sensitivity and Accuracy
Full-focusing doubly curved crystal monochromation technology
> Efficient Excitation
Through Johansson-type doubly curved crystals, diffracts and focuses high-intensity characteristic spectral lines from the X-ray tube onto a small sample area, significantly reducing scattered radiation background and enhancing elemental excitation efficiency in samples.
> Accurate Measurement
Performs secondary diffraction and focusing of elemental rays in samples through Johansson-type doubly curved crystals, achieving excellent peak-to-background ratios for target elements.
Digital Optical Path Design
Integrated digital optical path molding design ensures high-precision spectral line accuracy.
High Reliability
No moving parts in the entire optical path. After factory tuning, the optical path no longer generates errors or deviations, ensuring long-term stability.
Wide Adaptability
Adapts to sulfur detection in refined gasoline and diesel (as low as 0.5ppm) to crude oil (as high as 10%).
Ultra-Low Maintenance Costs
No cylinder gas consumption.
No replacement or maintenance of sample port protective film.
Simple Operation
Touchscreen operating system
Simple sample preparation tools (ESP tools)
Sample testing time 10 seconds - 999 seconds
Detection Limit 0.2ppm (300 seconds) Detection Range 0.5ppm-10% Testing Time 10 seconds - 999 seconds (user-configurable) Repeatability Sn-1 ≤ 0.5ppm (5 ppm), 2.5 ppm (50 ppm) Testing Standards ASTM D7039, SH/T 0842-2010, ASTM D 2622, GB/T 11140-2008 Dimensions 614 mm (W) × 444 mm (D) × 375 mm (H) Power (110±10) VAC, 5A; (220±20) VAC, 5A Output Interface USB Temperature Range 10°C - 35°C
Low-sulfur content analysis in gasoline, diesel, naphtha, and aromatics—— Monochromatic wavelength-dispersive X-ray fluorescence spectrometer with low detection limit
The DUBHE-1610 offers operational convenience, high accuracy, and excellent repeatability in low-sulfur content analysis, suitable for rapid sulfur content detection in various refined and intermediate oil products.
Elemental Analysis Solutions for Petrochemical Industry
Monochromatic wavelength-dispersive X-ray fluorescence spectrometer (MWD XRF) DUBHE series achieves accurate analysis of single elements. High-sensitivity X-ray fluorescence spectrometer (HS XRF®) MERAK series is a next-generation monochromatic X-ray fluorescence spectrometer, achieving integrated high-sensitivity analysis of silicon, phosphorus, sulfur, and chlorine in petrochemical products and fine chemicals.
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